| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.tools.ant.types.optional; |
| |
| import org.apache.tools.ant.filters.TokenFilter; |
| import java.io.File; |
| import org.apache.tools.ant.BuildException; |
| import org.apache.tools.ant.Project; |
| import org.apache.tools.ant.types.Path; |
| import org.apache.tools.ant.types.Reference; |
| import org.apache.tools.ant.util.ScriptRunnerBase; |
| import org.apache.tools.ant.util.ScriptRunnerHelper; |
| |
| /** |
| * Most of this is CAP (Cut And Paste) from the Script task |
| * ScriptFilter class, implements TokenFilter.Filter |
| * for scripts to use. |
| * This provides the same beans as the Script Task |
| * to a script. |
| * The script is meant to use get self.token and |
| * set self.token in the reply. |
| * |
| * @since Ant 1.6 |
| */ |
| public class ScriptFilter extends TokenFilter.ChainableReaderFilter { |
| /** script runner helper */ |
| private ScriptRunnerHelper helper = new ScriptRunnerHelper(); |
| |
| /** script runner. */ |
| private ScriptRunnerBase runner = null; |
| |
| /** the token used by the script */ |
| private String token; |
| |
| /** |
| * Set the project. |
| * @param project the owner of this component. |
| */ |
| public void setProject(Project project) { |
| super.setProject(project); |
| helper.setProjectComponent(this); |
| } |
| |
| /** |
| * Defines the language (required). |
| * |
| * @param language the scripting language name for the script. |
| */ |
| public void setLanguage(String language) { |
| helper.setLanguage(language); |
| } |
| |
| /** |
| * Initialize. |
| * |
| * @exception BuildException if someting goes wrong |
| */ |
| private void init() throws BuildException { |
| if (runner != null) { |
| return; |
| } |
| runner = helper.getScriptRunner(); |
| } |
| |
| /** |
| * The current token |
| * |
| * @param token the string filtered by the script |
| */ |
| public void setToken(String token) { |
| this.token = token; |
| } |
| |
| /** |
| * The current token |
| * |
| * @return the string filtered by the script |
| */ |
| public String getToken() { |
| return token; |
| } |
| |
| /** |
| * Called filter the token. |
| * This sets the token in this object, calls |
| * the script and returns the token. |
| * |
| * @param token the token to be filtered |
| * @return the filtered token |
| */ |
| public String filter(String token) { |
| init(); |
| setToken(token); |
| runner.executeScript("ant_filter"); |
| return getToken(); |
| } |
| |
| /** |
| * Load the script from an external file ; optional. |
| * |
| * @param file the file containing the script source. |
| */ |
| public void setSrc(File file) { |
| helper.setSrc(file); |
| } |
| |
| /** |
| * The script text. |
| * |
| * @param text a component of the script text to be added. |
| */ |
| public void addText(String text) { |
| helper.addText(text); |
| } |
| |
| /** |
| * Defines the manager. |
| * |
| * @param manager the scripting manager. |
| */ |
| public void setManager(String manager) { |
| helper.setManager(manager); |
| } |
| /** |
| * Set the classpath to be used when searching for classes and resources. |
| * |
| * @param classpath an Ant Path object containing the search path. |
| */ |
| public void setClasspath(Path classpath) { |
| helper.setClasspath(classpath); |
| } |
| |
| /** |
| * Classpath to be used when searching for classes and resources. |
| * |
| * @return an empty Path instance to be configured by Ant. |
| */ |
| public Path createClasspath() { |
| return helper.createClasspath(); |
| } |
| |
| /** |
| * Set the classpath by reference. |
| * |
| * @param r a Reference to a Path instance to be used as the classpath |
| * value. |
| */ |
| public void setClasspathRef(Reference r) { |
| helper.setClasspathRef(r); |
| } |
| |
| } |